Proportional Relationships Review

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

How do you identify a proportional relationship from a table?

Back

A proportional relationship can be identified in a table if the ratios of the corresponding values are the same.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio in a proportional relationship, often represented as 'k'.

Front

If a recipe calls for 4 tablespoons of butter for every 2 cups of water, what is the constant of proportionality?

Back

The constant of proportionality is 2 tablespoons of butter per cup of water.

Front

Does the graph show a proportional relationship if it passes through the origin?

Back

Yes, if a graph passes through the origin (0,0), it indicates a proportional relationship.

Front

What does it mean if a graph does not show a proportional relationship?

Back

If a graph does not show a proportional relationship, it means the ratios of the quantities are not constant.

Front

How can you find the missing value in a proportional relationship?

Back

You can find the missing value by setting up a proportion and solving for the unknown.

Front

If there are 5 toys for every carton, how many toys are there in 3 cartons?

Back

There are 15 toys in 3 cartons.

Front

What is the formula to find the constant of proportionality?

Back

The formula is k = y/x, where y is the dependent variable and x is the independent variable.

Front

If a table shows values of (2, 6), (4, 12), and (6, 18), is this a proportional relationship?

Back

Yes, because the ratios (6/2, 12/4, 18/6) are all equal to 3.